High severity7.8CISA KEVNVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026
CVE-2021-30860
CVE-2021-30860
Description
An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
20cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*+ 7 more
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*range: >=10.15,<10.15.7
- cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: <11.6
- (no CPE)range: unspecified
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <7.6.2
- (no CPE)range: unspecified
- Range: before Security Update 2021-005
- Range: <11.6
<14.8+ 1 more
- (no CPE)range: <14.8
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
16- seclists.org/fulldisclosure/2021/Sep/25nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2021/Sep/26nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2021/Sep/27nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2021/Sep/28nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2021/Sep/38nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2021/Sep/39nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2021/Sep/40nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2021/Sep/50nvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/202209-21nvdThird Party Advisory
- support.apple.com/en-us/HT212804nvdVendor Advisory
- support.apple.com/en-us/HT212805nvdVendor Advisory
- support.apple.com/en-us/HT212806nvdVendor Advisory
- support.apple.com/en-us/HT212807nvdVendor Advisory
- support.apple.com/kb/HT212824nvdVendor Advisory
- www.openwall.com/lists/oss-security/2022/09/02/11nvdMailing List
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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